body{
    margin: 0;
}
.nav{
    width: 100%;
    height: 80px;
    border: 1px solid gray;
    position: fixed;
    top: 0;
    box-shadow: 1px 1px 4px #333;
    background: #fff;
}
nav{
    width: 990px;
    height: 80px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}
nav span{
    align-self: flex-end;
    margin-bottom: 15px;
}
nav a{
    display: inline-block;
    width: 170px;
    height: 60px;
    background-image: url(./logo-201305-b.png)
}
.adver{
    margin-top: 80px;
    width: 100%;
    height: 30px;
    line-height: 30px;
    text-align: center;
    color: gray;
    font-size: 14px;
    background: #fff8f0;
}
.login-bg{
    width: 100%;
    height: 475px;
    background: #e93854;
}
.login-img{
    width: 990px;
    height: 475px;
    margin: 0 auto;
    background-image: url(./background.png);
    display: flex;
    justify-content: flex-end;
}
.login{
    width: 360px;
    height: 400px;
    margin-top: 10px;
    margin-bottom: 65px;
    background: #fff;
}
.login>div{
    display: flex;
    text-align: center;
    justify-content: center;
}
.login div:nth-child(1){
    height: 40px;
    background-color: #fff8f0;
    font-size: 14px;
    color: gray;
}
.login div:nth-child(2){
height: 60px;
color: gray;
font-size: 24px;
font-weight: bold;
border-bottom: 3px solid #fff8f0;
margin-bottom: 25px;
}
.login div:nth-child(2) span{
    flex-grow: 1;
    justify-content: center;
}
span.line{
  flex-grow: 0 !important;
  display: inline-block;
  width: 0;
  height: 30px;
  border: 1px solid #fff8f0;
}
.login .input{
    width: 280px;
height: 40px;
margin: 0 auto;
margin-bottom: 10px;
}
.login .input label{
display: inline-block;
width: 36px;
height: 36px;
border: 2px solid #a0a0a0;
background-color: #f0f0f0;
}
.login .input input{
    height: 40px;
border: 2px solid #a0a0a0;
flex-grow: 1;
border-radius: 0;
outline: none;
}

 .login-btn .btn-img {
    border: 1px solid #e85356;
    display: block;
    width: 302px;
    background: #e4393c;
    height: 31px;
    line-height: 31px;
    color: #fff;
    font-size: 20px;
    font-family: 'Microsoft YaHei';
}
.btn-img {
    display: inline-block;
    margin: 0;
    padding: 0;
    border: 0;
    text-align: center;
    cursor: pointer;}
    .b .span{
        align-self: flex-end;
        margin-bottom: 15px;
    }
    

